<?php
/*
 * LibreNMS module to display F5 LTM Virtual Server Details
 *
 * Copyright (c) 2016 Aaron Daniels <aaron@daniels.id.au>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.  Please see LICENSE.txt at the top level of
 * the source code distribution for details.
 */

$component = new LibreNMS\Component();
$components = $component->getComponents($device['device_id']);

// We only care about our device id.
$components = $components[$device['device_id']];

// We extracted all the components for this device, now lets only get the LTM ones.
$keep = array();
$types = array('f5-ltm-pool', 'f5-ltm-poolmember');
foreach ($components as $k => $v) {
    foreach ($types as $type) {
        if ($v['type'] == $type) {
            $keep[$k] = $v;
        }
    }
}
$components = $keep;

include "includes/html/graphs/common.inc.php";
$rrd_options .= " -l 0 -E ";
$rrd_options .= " COMMENT:'LTM Pool Members                               Now      Avg      Max\\n'";
$colours = array_merge($config['graph_colours']['mixed'], $config['graph_colours']['manycolours'], $config['graph_colours']['manycolours']);
$count = 0;
d_echo("<pre>");

// Is the ID we are looking for a valid LTM VS Pool
if ($components[$vars['id']]['type'] == 'f5-ltm-pool') {
    $parent = $components[$vars['id']]['UID'];

    // Find all pool members
    foreach ($components as $compid => $comp) {
        if ($comp['type'] != 'f5-ltm-poolmember') {
            continue;
        }
        if (!strstr($comp['UID'], $parent)) {
            continue;
        }

        $label = $comp['label'];
        $hash = $comp['hash'];
        $rrd_filename = rrd_name($device['hostname'], array($comp['type'], $label, $hash));
        if (rrdtool_check_rrd_exists($rrd_filename)) {
            d_echo("\n  Adding PM: " . $label . "\t+ added to the graph");

            // Grab a colour from the array.
            if (isset($colours[$count])) {
                $colour = $colours[$count];
            } else {
                d_echo("\nError: Out of colours. Have: " . (count($colours) - 1) . ", Requesting:" . $count);
            }

            $rrd_options .= " DEF:DS" . $count . "=" . $rrd_filename . ":bytesin:AVERAGE ";
            $rrd_options .= " CDEF:MOD" . $count . "=DS" . $count . ",8,* ";
            $rrd_options .= " LINE1.25:MOD" . $count . "#" . $colour . ":'" . str_pad(substr($label, 0, 40), 40) . "'";
            $rrd_options .= " GPRINT:MOD" . $count . ":LAST:%6.2lf%s ";
            $rrd_options .= " GPRINT:MOD" . $count . ":AVERAGE:%6.2lf%s ";
            $rrd_options .= " GPRINT:MOD" . $count . ":MAX:%6.2lf%s\l ";
            $count++;
        }
    } // End Foreach
}
d_echo("</pre>");
